"Based on the novel by Len Deighton and adapted by screenwriters Neal Purvis and Robert Wade, the story takes place in London 1941 and a ‘what-would-have-happened-if’ scenario. The novel, published in 1978, was a popular book and has become an iconic alternate history tome."

The limited series imagines a world where The Battle of Britain was lost, Churchill is dead and King George is held by the SS.

Sam Riley will play Archer while American Actress Kate Bosworth will play Barbara Barga